[PATCH] ieee82011: Added ieee80211_tx_frame to convert generic 802.11 data frames, and callbacks

tree 40adc78b623ae70d56074934ec6334eb4f0ae6a5
parent db43d847bcebaa3df6414e26d0008eb21690e8cf
author James Ketrenos <jketreno@linux.intel.com> 1124445938 -0500
committer James Ketrenos <jketreno@linux.intel.com> 1127313102 -0500

Added ieee80211_tx_frame to convert generic 802.11 data frames into
txbs for transmission.

Added several purpose specific callbacks (handle_assoc, handle_auth,
etc.) which the driver can register with for being notified on
reception of variouf frame elements.

Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 43 insertions, 15 deletions

diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 71d14c7d915c..d1ae28280d7e 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -1029,12 +1029,18 @@ static inline void update_network(struct ieee80211_network *dst,
         /* dst->last_associate is not overwritten */
 }
 
+static inline int is_beacon(int fc)
+{
+        return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == IEEE80211_STYPE_BEACON);
+}
+
 static inline void ieee80211_process_probe_response(struct ieee80211_device
                                                     *ieee, struct
                                                     ieee80211_probe_response
                                                     *beacon, struct ieee80211_rx_stats
                                                     *stats)
 {
+        struct net_device *dev = ieee->dev;
         struct ieee80211_network network;
         struct ieee80211_network *target;
         struct ieee80211_network *oldest = NULL;
@@ -1070,11 +1076,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
                                      escape_essid(info_element->data,
                                                   info_element->len),
                                      MAC_ARG(beacon->header.addr3),
-                                     WLAN_FC_GET_STYPE(le16_to_cpu
-                                                       (beacon->header.
-                                                        frame_ctl)) ==
-                                     IEEE80211_STYPE_PROBE_RESP ?
-                                     "PROBE RESPONSE" : "BEACON");
+                                     is_beacon(le16_to_cpu
+                                               (beacon->header.
+                                                frame_ctl)) ?
+                                     "BEACON" : "PROBE RESPONSE");
                 return;
         }
 
@@ -1123,11 +1128,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
                                      escape_essid(network.ssid,
                                                   network.ssid_len),
                                      MAC_ARG(network.bssid),
-                                     WLAN_FC_GET_STYPE(le16_to_cpu
-                                                       (beacon->header.
-                                                        frame_ctl)) ==
-                                     IEEE80211_STYPE_PROBE_RESP ?
-                                     "PROBE RESPONSE" : "BEACON");
+                                     is_beacon(le16_to_cpu
+                                               (beacon->header.
+                                                frame_ctl)) ?
+                                     "BEACON" : "PROBE RESPONSE");
 #endif
                 memcpy(target, &network, sizeof(*target));
                 list_add_tail(&target->list, &ieee->network_list);
@@ -1136,15 +1140,22 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device
                                      escape_essid(target->ssid,
                                                   target->ssid_len),
                                      MAC_ARG(target->bssid),
-                                     WLAN_FC_GET_STYPE(le16_to_cpu
-                                                       (beacon->header.
-                                                        frame_ctl)) ==
-                                     IEEE80211_STYPE_PROBE_RESP ?
-                                     "PROBE RESPONSE" : "BEACON");
+                                     is_beacon(le16_to_cpu
+                                               (beacon->header.
+                                                frame_ctl)) ?
+                                     "BEACON" : "PROBE RESPONSE");
                 update_network(target, &network);
         }
 
         spin_unlock_irqrestore(&ieee->lock, flags);
+
+        if (is_beacon(le16_to_cpu(beacon->header.frame_ctl))) {
+                if (ieee->handle_beacon != NULL)
+                        ieee->handle_beacon(dev, beacon, &network);
+        } else {
+                if (ieee->handle_probe_response != NULL)
+                        ieee->handle_probe_response(dev, beacon, &network);
+        }
 }
 
 void ieee80211_rx_mgt(struct ieee80211_device *ieee,
@@ -1185,6 +1196,23 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
                                                   ieee80211_probe_response *)
                                                  header, stats);
                 break;
+        case IEEE80211_STYPE_AUTH:
+
+                IEEE80211_DEBUG_MGMT("recieved auth (%d)\n",
+                                     WLAN_FC_GET_STYPE(le16_to_cpu
+                                                       (header->frame_ctl)));
+
+                if (ieee->handle_auth != NULL)
+                        ieee->handle_auth(ieee->dev,
+                                          (struct ieee80211_auth *)header);
+                break;
+
+        case IEEE80211_STYPE_DISASSOC:
+                if (ieee->handle_disassoc != NULL)
+                        ieee->handle_disassoc(ieee->dev,
+                                              (struct ieee80211_disassoc *)
+                                              header);
+                break;
 
         default:
                 IEEE80211_DEBUG_MGMT("received UNKNOWN (%d)\n",